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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650) 364-9600 FAX(650)364-9233 <br /> • 404 N Wlget Lane Walnut Creek CA 94598 (925)988-9600 FAX(925)988 9673 <br /> X17 Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-0100 <br /> 1455 McDowell Blvd North Ste D Petaluma,CA 94954 (707)792 1865 FAX(707)792-0342 <br /> Ems <br /> Gettler Ryan/Geostrategies-�- --- Client Proj ID i Unocal�5886,180137-85~ _- Sampled 06/17/98-^ 1 <br /> 6747 Sierra Court Surte J Sample Descript MW-2 Received 06/17/98 <br /> Dublin, CA 94568 Matrix LIQUID Extracted 06/24/98 <br /> Analysis Method EPA 8015 Mod Analyzed 06/26/98 <br /> Attention Deanna Harding Lab Number 9806C26-03 Reported 07109/98 <br /> 6C Batch Number GCO624980HBPEXZ - <br /> --istrument ID GCHP19A <br /> Total Extractable Petroleum Hydrocarbons (TEPH) with Silica Gel Cleanup <br /> Analyte Detection Limit Sample Results <br /> ug/L ug/L <br /> •rEPH as Diesel 50 N D <br /> Chromatogram Pattern <br /> Surrogates Control Limits % % Recovery <br /> n-Pentacosane (C25) 50 150 63 <br /> • <br /> w <br /> • <br /> epaiytes reported as N 0 were not present above the stated limit of detection <br /> 3E000IA ANALYTICAL - ELAP #1210 <br /> icher ..� <br /> t Manager Page 6 <br /> • <br />